with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom

with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC07D207/267
Official titlewith only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
Display labelwith only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
Total patents177

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201523
201619
201712
201822
201915
20209
202112
202217
202317
202420
202511

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07D207/267?
CPC C07D207/267 is the Cooperative Patent Classification code for “with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom.”
How many patents are filed under CPC C07D207/267 (with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom)?
Our database includes 177 publications tagged with this CPC code.
Is patent activity under CPC C07D207/267 growing?
Publication counts under this code: 20 in 2024 vs 11 in 2025 (latest complete years).